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CVE CVE-2021-47753

CVE-2021-47753

PHP

Severity: CRITICAL
CVSS: 9.8CVSS
Published: 2026-01-15
Last modified: 2026-01-23
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-434

Description

phpKF CMS 3.00 Beta y6 contains an unauthenticated file upload vulnerability that allows remote attackers to execute arbitrary code by bypassing file extension checks. Attackers can upload a PHP file disguised as a PNG, rename it, and execute system commands through a crafted web shell parameter.

References

https://www.exploit-db.com/exploits/50610
https://www.phpkf.com/
https://www.phpkf.com/indirme.php

Summary

Description

References